Modeling and dynamic simulations of new rotary frequency converter which consists of doubly-fed machine and induction machine

2000 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.00CH37077) Pub Date : 2000-01-23 DOI:10.1109/PESW.2000.849999

K. Hu, R. Yokoyama, K. Koyanagi

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引用次数: 2

Abstract

The doubly-fed (or adjustable speed) pumped storage generating systems which have been newly developed with recent progress of power electronic technology as its setting can contribute not only to power system frequency control at night, but also to improvement of power system stability. In this paper, as an application of doubly-fed machine technologies of large capacity, a new rotary frequency converter is proposed that consists of MG set of a doubly-fed machine and an induction machine. Compared with a conventional rotary frequency converter that consists of a couple of synchronous machines, the new doubly-fed rotary frequency converter can control power transfer actively. The mathematical models of the proposed new converter and basic considerations for their fundamental control strategy based on the models are described, and the results of dynamic simulations for investigating the characteristics of control and operation of the converter in power system are presented.

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由双馈电机和感应电机组成的新型旋转变频器的建模与动态仿真

双馈(或可调速)抽水蓄能发电系统是近年来随着电力电子技术的发展而发展起来的新系统，它不仅可以实现电力系统的夜间频率控制，而且可以提高电力系统的稳定性。作为大容量双馈电机技术的一种应用，本文提出了一种由双馈电机和感应电机组成的MG组旋转变频器。与传统的由一对同步电机组成的旋转变频器相比，新型双馈旋转变频器能够主动控制电力传输。介绍了所提出的新型变换器的数学模型和基于模型的基本控制策略的基本考虑，并给出了研究变换器在电力系统中的控制和运行特性的动态仿真结果。

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2000 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.00CH37077)

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